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DR. MARK RICHARD CASTERA MD
NPI 1649775396
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA

Active since March 26, 2018PECOS Enrolled
840 HARRISON AVE FL 4, BOSTON, MA 02118(617) 414-4511 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 1, 2024, Jul 13, 2021, Jun 26, 2018 and 1 more (4 updates tracked since 2018).

About Dr. Mark Richard Castera Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK RICHARD CASTERA MD (NPI 1649775396) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1019331) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649775396
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. MARK RICHARD CASTERACredential: MD
Location Address840 HARRISON AVE FL 4Boston, MA 02118-2905
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690 · (617) 414-5405
Phone(617) 414-4511
Sole ProprietorNo
Enumeration DateMarch 26, 2018
Last NPPES UpdateMay 1, 20244 updates tracked since enumeration
NPPES CertifiedMay 1, 2024
✔ NPI 1649775396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in MA · 1019331
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 1019331 (MA)
840 HARRISON AVE FL 4, Boston, MA 02118
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Richard Castera Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Castera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Child Health Foundation Of Boston, Inc.
0.1 mi
Pediatrics
1 BOSTON MEDICAL CTR PL, DIVISION OF PEDIATRICS, DOWLING 3 SOUTH
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 195 clinicians in this Medicare group
NPI 1619969920 (617) 414-4830

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHERINE JULIA BICK MD
Pediatrics
840 HARRISON AVE FL 4
BOSTON, MA 02118
Suffolk County (617) 414-4511
LILLIAN JOHNSON JUTTUKONDA
Pediatrics
840 HARRISON AVE FL 4
BOSTON, MA 02118
Suffolk County (617) 414-4511
PRISCILLA GONZALEZ MD
Pediatrics
840 HARRISON AVE FL 4
BOSTON, MA 02118
Suffolk County (617) 414-4511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Castera's NPI number?

The NPI number for Mark Castera is 1649775396. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Mark Castera located?

Mark Castera practices at 840 Harrison Ave Fl 4, Boston, MA 02118. The listed phone number is (617) 414-4511.

What is Mark Castera's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Mark Castera enrolled in Medicare?

Yes. Mark Castera is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Castera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Castera reassigns Medicare benefits to Child Health Foundation Of Boston, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Castera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Castera accept?

Health plans from WellSense Health Plan list Mark Castera as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Castera was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.